A Study on Migration of Monomers from Kitchen Utensils Including PA, PU, ABS, and Acrylic Resin Plastics
2015
Choi, J.C., Ministry of Food and Drug Safety, Cheongwon, Republic of Korea | Park, S.J., Ministry of Food and Drug Safety, Cheongwon, Republic of Korea | Park, G.W., Ministry of Food and Drug Safety, Cheongwon, Republic of Korea | Min, H.K., Gyeogin Regional Food and Drug Administration, Inchon, Republic of Korea | Yang, J.Y., Gyeogin Regional Food and Drug Administration, Inchon, Republic of Korea | Kim, M., Ministry of Food and Drug Safety, Cheongwon, Republic of Korea
The purpose of our paper was to investigate the migration level of 4,4-MDA(4,4-methylenedianiline), 2,4-TDA(2,4-toluenediamine), aniline, acrylonitrile and methylmeth acrylate from plastic cookwares into food simulants and to evaluate the safety of each monomers. The test articles for monomers were PA (polyamide) items for 4,4-MDA, 2,4-TDA and aniline, PU (polyurethane) items for 4,4-MDA, ABS (acrylonitrile-butadiene- styrene) items for acrylonitrile, and acrylic resin items for methylmethacrylate. All the article samples of 321 intended for contact with foods were purchased in domestic market. 4,4-MDA, 2,4-TDA and aniline were analyzed by LCMS/ MS (liquid chromatography -tandem mass spectrometer), acrylonitrile by GC-NPD (gas chromatography-nitrogen phos phorus detector) and methyl methacrylate by GC-FID (gas chromatography-flame ionization detector). The migration level of monomers were within the migration limits of Ministry of Food and Drug Safety (MFDS). As a result of safety evaluation, our results showed that the estimated daily intake (EDI, mg/kg bw/day)s were 2.39 x ten - nine and 1.20 x ten - nine for 4,4-MDA and 2,4-TDA of PA, 4.32 x ten - nine for acrylonitrile of ABS and 2.27 x ten - seven for methylmethacrylate of acrylic resin. Reference Dose (RfD, mg/kg bw/day) of acrylonitrile and tolerable daily intake (TDI, mg/kg bw/day) of methacrylate were established respectively as 0.001 by EPA (US Environmental Protection Agency) and as 1.2 by WHO (World Health Organization). When comparing with RfD and TDI, the EDIs of acrylonitrile and methylmethacrylate accounted for 4.32 x ten- four% and 1.89 x ten - five% respectively.
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